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ActiveRecord::StatementInvalid (NoMethodError: undefined method `[]' for nil:NilClass: EXEC sp_executesql N'SELECT @@version'): #413

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iesartia opened this issue Mar 9, 2017 · 2 comments · May be fixed by #528
Open

ActiveRecord::StatementInvalid (NoMethodError: undefined method `[]' for nil:NilClass: EXEC sp_executesql N'SELECT @@version'): #413

iesartia opened this issue Mar 9, 2017 · 2 comments · May be fixed by #528

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@iesartia
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iesartia commented Mar 9, 2017 •
edited
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I have Rails 4.2 and I have configured shards.yml file in following way:

octopus:
  environments:
    - development
  replicated: true
  fully_replicated: true
  verify_connection: true
  development:
    shard_1:
      adapter: sqlserver
      host: 192.168.100.116
      database: DB
      username: u
      password: p
    shard_2:
      adapter: sqlserver
      host: 192.168.100.116
      database: DB
      username: u
      password: p

I cannot connect to database, what I have missed?

ActiveRecord::StatementInvalid (NoMethodError: undefined method `[]' for nil:NilClass: EXEC sp_executesql N'SELECT @@version'):
  ar-octopus (0.9.0) lib/octopus/abstract_adapter.rb:22:in `octopus_shard'
  ar-octopus (0.9.0) lib/octopus/abstract_adapter.rb:12:in `instrument'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract_adapter.rb:478:in `log'
  activerecord-sqlserver-adapter (4.2.15) lib/active_record/connection_adapters/sqlserver/database_statements.rb:311:in `raw_select'
  activerecord-sqlserver-adapter (4.2.15) lib/active_record/connection_adapters/sqlserver/database_statements.rb:260:in `sp_executesql'
  activerecord-sqlserver-adapter (4.2.15) lib/active_record/connection_adapters/sqlserver/database_statements.rb:19:in `exec_query'
  activerecord-sqlserver-adapter (4.2.15) lib/active_record/connection_adapters/sqlserver/database_statements.rb:215:in `select'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/database_statements.rb:32:in `select_all'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/query_cache.rb:70:in `select_all'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/database_statements.rb:38:in `select_one'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/database_statements.rb:43:in `select_value'
  activerecord-sqlserver-adapter (4.2.15) lib/active_record/connection_adapters/sqlserver_adapter.rb:59:in `initialize'
  activerecord-sqlserver-adapter (4.2.15) lib/active_record/sqlserver_base.rb:17:in `new'
  activerecord-sqlserver-adapter (4.2.15) lib/active_record/sqlserver_base.rb:17:in `sqlserver_connection'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:438:in `new_connection'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:448:in `checkout_new_connection'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:422:in `acquire_connection'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:349:in `block in checkout'
  /home/iliaesartia/.rbenv/versions/2.3.1/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:348:in `checkout'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:263:in `block in connection'
  /home/iliaesartia/.rbenv/versions/2.3.1/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:262:in `connection'
  ar-octopus (0.9.0) lib/octopus/proxy.rb:225:in `safe_connection'
  ar-octopus (0.9.0) lib/octopus/proxy.rb:232:in `select_connection'
  ar-octopus (0.9.0) lib/octopus/proxy.rb:303:in `method_missing'
  activerecord (4.2.7.1) lib/active_record/query_cache.rb:32:in `call'
  activerecord (4.2.7.1) lib/active_record/connection_adapters/abstract/connection_pool.rb:653:in `call'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
  activesupport (4.2.7.1) lib/active_support/callbacks.rb:88:in `__run_callbacks__'
  activesupport (4.2.7.1) lib/active_support/callbacks.rb:778:in `_run_call_callbacks'
  activesupport (4.2.7.1) lib/active_support/callbacks.rb:81:in `run_callbacks'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/reloader.rb:73:in `call'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/remote_ip.rb:78:in `call'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
  railties (4.2.7.1) lib/rails/rack/logger.rb:38:in `call_app'
  railties (4.2.7.1) lib/rails/rack/logger.rb:20:in `block in call'
  activesupport (4.2.7.1) lib/active_support/tagged_logging.rb:68:in `block in tagged'
  activesupport (4.2.7.1) lib/active_support/tagged_logging.rb:26:in `tagged'
  activesupport (4.2.7.1) lib/active_support/tagged_logging.rb:68:in `tagged'
  railties (4.2.7.1) lib/rails/rack/logger.rb:20:in `call'
  request_store (1.3.2) lib/request_store/middleware.rb:9:in `call'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/request_id.rb:21:in `call'
  rack (1.6.5) lib/rack/methodoverride.rb:22:in `call'
  rack (1.6.5) lib/rack/runtime.rb:18:in `call'
  activesupport (4.2.7.1) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
  rack (1.6.5) lib/rack/lock.rb:17:in `call'
  actionpack (4.2.7.1) lib/action_dispatch/middleware/static.rb:120:in `call'
  rack (1.6.5) lib/rack/sendfile.rb:113:in `call'
  rack-cors (0.4.0) lib/rack/cors.rb:80:in `call'
  railties (4.2.7.1) lib/rails/engine.rb:518:in `call'
  railties (4.2.7.1) lib/rails/application.rb:165:in `call'
  rack (1.6.5) lib/rack/content_length.rb:15:in `call'
  puma (3.6.2) lib/puma/configuration.rb:225:in `call'
  puma (3.6.2) lib/puma/server.rb:578:in `handle_request'
  puma (3.6.2) lib/puma/server.rb:415:in `process_client'
  puma (3.6.2) lib/puma/server.rb:275:in `block in run'
  puma (3.6.2) lib/puma/thread_pool.rb:116:in `block in spawn_thread'
@iesartia
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iesartia commented Mar 9, 2017

@config[:octopus_shard] is null and it causes error, how to fix it?

@krzcho
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krzcho commented Apr 10, 2017 •
edited
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I am not totally sure but it may be activerecord-sqlserver-adapter working against sql server 2008 - it is 4.1 branch that seems to be the last one working with that version of sql server

calh added a commit to calh/octopus that referenced this issue Jun 26, 2019
@calh
Check that @config exists. Fixes thiagopradi#413
3e9f50b 
Error message is:

ActiveRecord::StatementInvalid: NoMethodError: undefined method `[]' for
nil:NilClass:

  from octopus/lib/octopus/abstract_adapter.rb:23:in `octopus_shard'
  from octopus/lib/octopus/abstract_adapter.rb:12:in `instrument'
  from vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.11.1/lib/active_record/connection_adapters/abstract_adapter.rb:478:in `log'

This has shown to surface in the ibm_db and sqlserver adapters.
@calh calh linked a pull request Jun 26, 2019 that will close this issue
Open
calh added a commit to calh/octopus that referenced this issue Jun 26, 2019
@calh
Check that @config exists. Fixes thiagopradi#413
4fd1129 
Error message is:

ActiveRecord::StatementInvalid: NoMethodError: undefined method `[]' for
nil:NilClass:

  from octopus/lib/octopus/abstract_adapter.rb:23:in `octopus_shard'
  from octopus/lib/octopus/abstract_adapter.rb:12:in `instrument'
  from vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.11.1/lib/active_record/connection_adapters/abstract_adapter.rb:478:in `log'

This has shown to surface in the ibm_db and sqlserver adapters.
calh added a commit to calh/octopus that referenced this issue Jul 18, 2019
@calh
Merge pull request #2 from calh/nil_shard_config
cc72467 
Check that @config exists.  Fixes thiagopradi#413
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Check that @config exists. Fixes #413 calh/octopus
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@krzcho @iesartia